Welcome to AP Physics!• Pick up Safety Contract, Calculator Contract and index
card. • While waiting, compose a cinquain or haiku describing
what you think physics is. Write it on one side of index card. Include name and period on other side.
• Cinquain:– Title 2 syllables– Describe title 4 syllables– State an action 6 syllables– Express a feeling 8 syllables– Another word for title 2 syllables
Haiku: – 5 syllables– 7 syllables– 5 syllables
Welcome to Physics!calculator contract: complete both sides.
Your calculator number is your seat number. You will use this all year! Take this card home and have your folks sign it. Return it by Wednesday.
safety review: This should be completed by Wed Sept 3. You may use the class copy of safety rules and begin working on this while waiting for class to start.
Welcome to AP Physics!Are you ready for a great year?
Pick up calculator contract,safety review, This should be completed by Wed. You may use the class copy of safety rules and begin working on this while waiting for class to start.
Pick up Blue Form, Signature Page, and Yellow Page Turn in by Wednesday
Welcome to Physics!• Pick up Safety Contract, Calculator Contract and index
card. • While waiting, compose a cinquain or haiku describing
what you think physics is. Write it on one side of index card. Include name and period on other side.
• Cinquain:– Title 2 syllables– Describe title 4 syllables– State an action 6 syllables– Express a feeling 8 syllables– Another word for title 2 syllables
Haiku: – 5 syllables– 7 syllables– 5 syllables
Remind 101AP
• Text to 626 404 7299
• Send this message @8fac4
• Video Dimensional Analysis Video
• Hand out DA WS I Assignment
• Due tommorow
Syllabus and Policies
• Supplies– Pencil, pens, & paper– Folder, spiral, or 3 ring binder– Scientific Calculator at home
The policies and syllabus are on my website. Check it out, have your folks check it out, then parents need to sign course procedures receipt (on back of calculator contract). Bring this back by Wednesday.
What about books?
Expectations• Tardies
– Door closes at bell. You will need to go to Tardy Station
• Digital Toys– They are to be off and put away unless we are using them.
• Classroom decorum– Politeness– Preparedness– Honesty– See and Do!!!!– Don’t sharpen pencils when I am speaking– Put stuff away (chairs, lab supplies, trash)– This is not a restaurant. NO FOOD or DRINKS– Don’t lose your papers: one copy only– Stay seated until I dismiss you
• Pet Peeve
Just so you know……
I am not your mother.I am not your maid.I am not your secretary.Be responsible for you.
This is what I will do for you….Awesome lecturesRelevant labsAssign homework!!!!!!!! This is so you can
practice your new found skills ☺Website supportTutoring, Make Ups, Retakes:
Monday-Thursday after school
(I leave the building at 3:30)
Never Friday after School
Mornings by appointment.
Finally
• Test days are Tuesday or Thursday
• I do not offer individualized extra credit. Don’t ask. Ever.
safety
• Show video
• AGHS Lab Safety Rap - YouTube
• Safety Review-Due Wed 9/3 BOC
• Safety Contract-On WebSite-Must sign on line
• Fire Drills and phone policy
8/26
• Work on Safety Review and Math Review
• Turn in contracts to blue sorter (file under first letter of your last name)
• Change problem 1 and 2 on Math Review to:
• 1) 18/2x3 =
• 2) 2(14-32) =
How many feet: Presentation
• Create a report and present it to the class when called upon. I will ask you 3 questions.
• What was your method for getting the measurement? This will include a diagram.
• How did you maximize the precision? • What is the usefulness of your measurement for
someone going to the hardware store to buy a rope the same length as the distance across the room?
Accuracy and Precision
• The Goal
• Measure the width of the hall as precisely as you can using “feet” as your units of measurement.
•
• Resources
• Strip of adding machine tape
• Your foot
What is the difference between accuracy and precision?
• Accuracy is the real deal; the truth; the accepted value
• Precision has two meanings:– How repeatable the measurements are (range)– How small the interval of measurement is
• In the foot lab, what aspect of precision was being investigated?
• What do you think the goal is in science regarding accuracy and precision?
Order of Operations• When there is more than one operation
involved in a mathematical problem, it must be solved by using the correct order of operations .
• Remember, calculators will perform operations in the order which you enter them, therefore, you will need to enter the operations in the correct order for the calculator to give you the right answer.
PLEASE EXCUSE MY DEAR AUNT SALLYor just
P.E.M.D.A.S.
Parentheses
ExponentsMultiplication
DivisionAddition
Subtraction
Isolating Variables
• Work backwards to isolate a variable.
• Perform order of operations backwards too
Given the following: 2.00 x 104
• The first part is called the coefficient (the 2.00). • The second is called the base (x 10) and exponent (4). • Proper scientific notation requires the coefficient to be
between 1 and 9. The base is always x10. If the exponent is positive, the number is greater than 1 and the decimal is moved to the right as many times as the exponent to convert to standard form.
• If the exponent is negative, the number is less than 1 and the decimal is moved to the left as many times as the exponent to convert to standard form.
• Use the EE key – not the carot!
Record the following in Scientific Notation
• 685,003 kg
• 6.85 x 105 kg
• 407,501,000 sec
• 4.08 x 108 sec
• 0.00621 m
• 6.21 x 10-3 m
• 0.00000000697 N
• 6.97 x 10-9N
8/28FIRST:
Pick up both pages at the front desk. You will complete these in class today after some notes.
SECOND:
solve for x 12/x = 36
Record the following in Standard Form
• 4.35 x 106 m
• 4,350,000 m
• 2.19 x 103 N
• 2,190 N
• 2.19 x 10-3 kg
• 0.00219 kg
• 4.57 x 10-6 s
• 0.00000457 s
What units would be used to What units would be used to measure the distance from here measure the distance from here
to Dallas?to Dallas?A. cm
B. mm
C. km
D. m
8/29 It’s Friday, It’s Friday!
• Get a calculator• Pick up all 3 pages at front• The short dim analysis ws is what we are working on
today• The long dim analysis ws is your review for next
Thursday’s test. There will also be safety questions on the test.
• NOW: If you have 6,230 cm, how many– Km?– mm?– Dm?
Metric Mania WSMetric Mania WS
Look at the ladderLook at the ladder
If you are going down the ladder If you are going down the ladder you add places (ie move the you add places (ie move the decimal right)decimal right)
If you are going up the ladder you If you are going up the ladder you subtract places (ie move the subtract places (ie move the decimal left)decimal left)
How may seconds are there in the How may seconds are there in the month of August? month of August?
• PROVE IT!!!!!PROVE IT!!!!!
DimensionalDimensional AnalysisAnalysis
• Used to convert between different Used to convert between different units of measurementunits of measurement
• This is done by multiplying by This is done by multiplying by factors of 1factors of 1
The real meaning of MPH- The Original- TCHappenings - YouTube
Converting up on down the metric Converting up on down the metric system using dimensional analysissystem using dimensional analysis
• What do you have?What do you have?
• What do you want?What do you want?
• Is your answer going to be larger or Is your answer going to be larger or smaller than the starting number?smaller than the starting number?
• What do you know?What do you know?
• Remember you must be able to cancel out Remember you must be able to cancel out all units except the one you want to end up all units except the one you want to end up withwith
Step 1Step 1• Write down the number and unit Write down the number and unit
that you are starting withthat you are starting with
Step 2Step 2• Find out how to arrive at your final Find out how to arrive at your final
unit by using known conversion unit by using known conversion factorsfactors
Step 3Step 3• Set up your conversion factor so Set up your conversion factor so
that the units cancelthat the units cancel
ExampleExample• Convert 5 m into km:Convert 5 m into km:
Step 1: you start with 5 m
Step 2: you need to get to kmStep 3: you know that: 1km = 1000 m
Step 4: 5 m X 1km = 1000 m
0.005m
**Always multiply every number across the top ,then multiply every number across the bottom. Finally divide the product of the top by the product of the bottom. Record number and unit.
You are an incredibly valuable employee. Your boss wants to reward you so she offers you two options. You can either work 10 days straight and receive one million dollars or you can earn a dollar per second up to one million dollars. You would like to buy an elite condo in the Bahamas that costs exactly one million dollars. Which deal will allow you to purchase the condo first? (Assume that you work every second of every day in both cases.) Your boss is in a hurry to a meeting so you only have five minutes to decide. Which do you choose?
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